JP3158174B2 - 硫黄被覆肥料およびその製造方法 - Google Patents
硫黄被覆肥料およびその製造方法Info
- Publication number
- JP3158174B2 JP3158174B2 JP50823292A JP50823292A JP3158174B2 JP 3158174 B2 JP3158174 B2 JP 3158174B2 JP 50823292 A JP50823292 A JP 50823292A JP 50823292 A JP50823292 A JP 50823292A JP 3158174 B2 JP3158174 B2 JP 3158174B2
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- sulfur
- coating
- fertilizer
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 208
- 239000011593 sulfur Substances 0.000 title claims abstract description 207
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 207
- 239000003337 fertilizer Substances 0.000 title claims abstract description 148
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 claims abstract description 61
- 238000013270 controlled release Methods 0.000 claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims description 182
- 229920000642 polymer Polymers 0.000 claims description 181
- 239000011248 coating agent Substances 0.000 claims description 166
- 239000004202 carbamide Substances 0.000 claims description 69
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 69
- 239000000203 mixture Substances 0.000 claims description 36
- 239000001993 wax Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- -1 polyethylene Polymers 0.000 claims description 19
- 239000000565 sealant Substances 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 10
- 235000019198 oils Nutrition 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims description 6
- 235000021388 linseed oil Nutrition 0.000 claims description 6
- 239000000944 linseed oil Substances 0.000 claims description 6
- 230000035699 permeability Effects 0.000 claims description 6
- 229920006254 polymer film Polymers 0.000 claims description 6
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 5
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000113 differential scanning calorimetry Methods 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229920003176 water-insoluble polymer Polymers 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 7
- 239000005977 Ethylene Substances 0.000 claims 7
- 239000004215 Carbon black (E152) Substances 0.000 claims 4
- 229930195733 hydrocarbon Natural products 0.000 claims 4
- 150000002430 hydrocarbons Chemical class 0.000 claims 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 125000003118 aryl group Chemical group 0.000 claims 2
- 125000004122 cyclic group Chemical group 0.000 claims 2
- 239000012169 petroleum derived wax Substances 0.000 claims 2
- 235000019381 petroleum wax Nutrition 0.000 claims 2
- QHZOMAXECYYXGP-UHFFFAOYSA-N ethene;prop-2-enoic acid Chemical compound C=C.OC(=O)C=C QHZOMAXECYYXGP-UHFFFAOYSA-N 0.000 claims 1
- 230000005923 long-lasting effect Effects 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 170
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 72
- 239000000523 sample Substances 0.000 description 67
- 238000012360 testing method Methods 0.000 description 57
- 229910052757 nitrogen Inorganic materials 0.000 description 36
- 239000011162 core material Substances 0.000 description 17
- 230000004044 response Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 13
- 235000015097 nutrients Nutrition 0.000 description 13
- 241000209049 Poa pratensis Species 0.000 description 12
- 239000002245 particle Substances 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000012010 growth Effects 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 7
- 239000005038 ethylene vinyl acetate Substances 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 239000004480 active ingredient Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000007774 longterm Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 244000025254 Cannabis sativa Species 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003607 modifier Substances 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000003971 tillage Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 239000013068 control sample Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000000417 fungicide Substances 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000012812 sealant material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000003442 weekly effect Effects 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000014075 nitrogen utilization Effects 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229950011008 tetrachloroethylene Drugs 0.000 description 2
- 229920003345 Elvax® Polymers 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004264 Petrolatum Substances 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 108010046334 Urease Proteins 0.000 description 1
- PNNCWTXUWKENPE-UHFFFAOYSA-N [N].NC(N)=O Chemical compound [N].NC(N)=O PNNCWTXUWKENPE-UHFFFAOYSA-N 0.000 description 1
- PMUIBVMKQVKHBE-UHFFFAOYSA-N [S].NC(N)=O Chemical compound [S].NC(N)=O PMUIBVMKQVKHBE-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000013034 coating degradation Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007773 growth pattern Effects 0.000 description 1
- 239000003630 growth substance Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000012729 immediate-release (IR) formulation Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 229940066842 petrolatum Drugs 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/36—Layered or coated, e.g. dust-preventing coatings layered or coated with sulfur
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S71/00—Chemistry: fertilizers
- Y10S71/904—Carrier
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Golf Clubs (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/666,339 US5219465A (en) | 1991-03-08 | 1991-03-08 | Sulfur coated fertilizers and process for the preparation thereof |
| US666,339 | 1991-03-08 | ||
| PCT/US1992/001609 WO1992015538A1 (en) | 1991-03-08 | 1992-03-04 | Sulfur coated fertilizers and process for the preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06505470A JPH06505470A (ja) | 1994-06-23 |
| JP3158174B2 true JP3158174B2 (ja) | 2001-04-23 |
Family
ID=24673790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50823292A Expired - Fee Related JP3158174B2 (ja) | 1991-03-08 | 1992-03-04 | 硫黄被覆肥料およびその製造方法 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5219465A (es) |
| EP (1) | EP0574541B1 (es) |
| JP (1) | JP3158174B2 (es) |
| AT (1) | ATE157337T1 (es) |
| AU (1) | AU651935B2 (es) |
| CA (1) | CA2105473C (es) |
| DE (1) | DE69221854T2 (es) |
| DK (1) | DK0574541T3 (es) |
| ES (1) | ES2108750T3 (es) |
| FI (1) | FI117051B (es) |
| GR (1) | GR3025409T3 (es) |
| NO (1) | NO305360B1 (es) |
| WO (1) | WO1992015538A1 (es) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466274A (en) * | 1991-02-14 | 1995-11-14 | Oms Investments, Inc. | Abrasion resistant coatings for fertilizers |
| US5405426A (en) * | 1991-03-08 | 1995-04-11 | Oms Investments, Inc. | Processes for the preparation of sulfur coated fertilizers and products produced thereby |
| US5766302A (en) * | 1993-05-07 | 1998-06-16 | Lefroy; Roderick David Bruce | Fertilizer coating process |
| ES2157915T3 (es) * | 1993-06-07 | 2001-09-01 | Oms Investments Inc | Liberacion prolongada de sustancias solubles en agua nutritivas para vegetales. |
| MY121922A (en) * | 1993-09-21 | 2006-03-31 | Exxon Res & Engineering Company | Bioremediation of hydrocarbon contaminated soils and water. |
| US5478375A (en) * | 1993-10-04 | 1995-12-26 | Lesco Inc. | Sealants for fertilizer compositions containing natural waxes |
| US5599374A (en) * | 1994-09-23 | 1997-02-04 | Rlc Technologies, L.L.C. | Process for producing improved sulfur-coated urea slow release fertilizers |
| IL112143A (en) * | 1994-12-26 | 1998-09-24 | Rotem Fertilizers Ltd | Method for the manufacture of sulfur-containing fertilizers |
| US5567221A (en) * | 1995-01-03 | 1996-10-22 | Oms Investments, Inc. | Compositions and methods for use in aquaculture |
| US6503288B1 (en) * | 1996-12-30 | 2003-01-07 | Bayer Corporation | Process for the production of biodegradable encapsulated fertilizers |
| US6039781A (en) * | 1998-06-09 | 2000-03-21 | Oms Investments, Inc. | Precoated controlled release fertilizers and processes for their preparation |
| US6152981A (en) * | 1998-07-23 | 2000-11-28 | Bayer Corporation | Sulfur containing isocyanate compositions |
| US6165550A (en) * | 1998-07-23 | 2000-12-26 | Bayer Corporation | Symmetrical Polyurea-urethane fertilizer encapsulation |
| DE69924023T2 (de) * | 1998-12-14 | 2006-04-13 | Chisso Corp. | Beschichtete biologisch aktive körner |
| US6338746B1 (en) | 1999-07-23 | 2002-01-15 | Rlc Technologies, L.L.C. | Polymer-sulfur-polymer coated fertilizers |
| US6364925B1 (en) | 1999-12-10 | 2002-04-02 | Bayer Corporation | Polyurethane encapsulated fertilizer having improved slow-release properties |
| CA2300237A1 (en) * | 2000-03-09 | 2001-09-09 | Mikhail Pildysh | A coated substrate having controlled release properties and a method for the production thereof |
| US6358296B1 (en) | 2000-07-11 | 2002-03-19 | Bayer Corporation | Slow-release polyurethane encapsulated fertilizer using oleo polyols |
| US6656882B2 (en) * | 2001-02-28 | 2003-12-02 | Oms Investments, Inc. | Controlled release products and processes for the preparation thereof |
| NZ511606A (en) * | 2001-05-09 | 2002-11-26 | Summit Quinphos Nz Ltd | Fertiliser compositions comprising urea granules coated with wet ground sulphur |
| US6749660B2 (en) * | 2001-06-04 | 2004-06-15 | Geovation Technologies, Inc. | Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification |
| DE10221704A1 (de) * | 2001-06-05 | 2003-01-23 | Compo Gmbh & Co Kg | Düngemittel mit verzögerter Freisetzung und Verfahren zu dessen Herstellung |
| US6617412B2 (en) | 2001-10-12 | 2003-09-09 | Bayer Corporation | Fertilizer encapsulation using sulfur containing polyols |
| US6656257B2 (en) * | 2002-02-12 | 2003-12-02 | Mighty Grip, Inc. | Gripping composition and method of preparing the same |
| US6787234B2 (en) | 2002-05-15 | 2004-09-07 | Oms Investments, Inc. | Triggered start products and processes for the production and use thereof |
| US7682656B2 (en) * | 2004-06-14 | 2010-03-23 | Agruim Inc. | Process and apparatus for producing a coated product |
| MX2007004282A (es) | 2004-10-12 | 2007-06-18 | Oms Investments Inc | Productos nutrientes conformados para crecimiento de plantas y procesos para la produccion de los mismos. |
| ES2745410T3 (es) * | 2004-11-30 | 2020-03-02 | Agrium Inc | Procedimiento y aparato para recubrir un producto de liberación controlada en un tambor giratorio |
| US7771505B2 (en) | 2008-07-16 | 2010-08-10 | Agrium Inc. | Controlled release fertilizer composition |
| RU2635116C2 (ru) | 2012-05-18 | 2017-11-09 | Басф Се | Инкапсулированная частица |
| CN104394977B (zh) | 2012-05-18 | 2017-03-22 | 巴斯夫欧洲公司 | 包封颗粒 |
| CA2821909A1 (en) | 2012-07-27 | 2014-01-27 | Carbon Basis Company Ltd. | Biochar products and method of manufacture thereof |
| AU2013344557B2 (en) | 2012-11-16 | 2017-04-06 | Basf Se | An Encapsulated Particle |
| US9321699B2 (en) | 2012-11-21 | 2016-04-26 | The Mosaic Company | Granular fertilizers having improved dust control |
| WO2015170217A1 (en) | 2014-05-05 | 2015-11-12 | Sabic Global Technologies B.V. | Coated granular fertilizers, methods of manufacture thereof, and uses |
| BR112018001196B1 (pt) | 2015-07-20 | 2021-10-26 | Sabic Global Technologies B.V. | Partícula de núcleo de fertilizante, grânulo de fertilizante, e, método para preparar uma partícula de núcleo de fertilizante |
| CA2999239A1 (en) | 2015-10-08 | 2017-04-13 | The Carbon Basis Company Ltd. | Biochar products and method of manufacture thereof |
| WO2017087265A1 (en) * | 2015-11-16 | 2017-05-26 | Sabic Global Technologies B.V. | Methods of manufacture for coated granular fertilizers |
| US11124463B2 (en) | 2015-11-16 | 2021-09-21 | Sabic Global Technologies B.V. | Coated granular fertilizers, methods of manufacture thereof, and uses thereof |
| CN108602730A (zh) | 2016-02-08 | 2018-09-28 | 沙特基础工业全球技术有限公司 | 制备肥料种芯的方法 |
| US10273194B2 (en) | 2016-07-04 | 2019-04-30 | Gary David McKnight | Process to conserve cyano-function and improve performance of low molecular weight nitrification inhibitors to improve fertilizer efficiency |
| US10563089B2 (en) * | 2016-10-05 | 2020-02-18 | Nous, Llc | System for coatings for granular materials |
| EP3612506A1 (en) | 2017-04-19 | 2020-02-26 | SABIC Global Technologies B.V. | Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor separated within the same particle |
| EP3612508A1 (en) | 2017-04-19 | 2020-02-26 | SABIC Global Technologies B.V. | Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles |
| EP3612507A1 (en) | 2017-04-20 | 2020-02-26 | SABIC Global Technologies B.V. | Enhanced efficiency fertilizer with embedded powder composition |
| EP3665138A1 (en) | 2017-08-09 | 2020-06-17 | SABIC Global Technologies B.V. | Extruded fertilizer granules with urease and/or nitrification inhibitors |
| DE102017217498A1 (de) | 2017-09-29 | 2019-04-04 | Thyssenkrupp Ag | Verfahren und Anordnung zum Herstellen von beschichteten Prills oder Granulaten sowie damit erhaltene Prills sowie Verwendung |
| EP4281428A1 (en) | 2021-01-19 | 2023-11-29 | Everris International B.V. | Sulfur coated fertilizers with polymer coating layer |
| EP4029847B1 (en) | 2021-01-19 | 2024-09-11 | Everris International B.V. | Sulfur coated fertilizers with polymer coating layer |
| CN113717010A (zh) * | 2021-09-07 | 2021-11-30 | 新洋丰农业科技股份有限公司 | 一种适用于石灰性土壤的锌高效型玉米专用肥制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3576613A (en) * | 1967-07-24 | 1971-04-27 | Thiokol Chemical Corp | Sulfur encapsulation of fertilizers to provide controlled dissolution rates |
| US3903333A (en) * | 1973-03-30 | 1975-09-02 | Tennessee Valley Authority | Production of slow release nitrogen fertilizers by improved method of coating urea with sulfur |
| NZ220762A (en) * | 1986-07-07 | 1989-05-29 | Chisso Corp | Coated fertiliser with polyolefinic coating |
-
1991
- 1991-03-08 US US07/666,339 patent/US5219465A/en not_active Expired - Lifetime
-
1992
- 1992-03-04 CA CA002105473A patent/CA2105473C/en not_active Expired - Lifetime
- 1992-03-04 WO PCT/US1992/001609 patent/WO1992015538A1/en active IP Right Grant
- 1992-03-04 ES ES92908791T patent/ES2108750T3/es not_active Expired - Lifetime
- 1992-03-04 AU AU15727/92A patent/AU651935B2/en not_active Expired
- 1992-03-04 JP JP50823292A patent/JP3158174B2/ja not_active Expired - Fee Related
- 1992-03-04 DK DK92908791.4T patent/DK0574541T3/da active
- 1992-03-04 DE DE69221854T patent/DE69221854T2/de not_active Expired - Lifetime
- 1992-03-04 EP EP92908791A patent/EP0574541B1/en not_active Expired - Lifetime
- 1992-03-04 AT AT92908791T patent/ATE157337T1/de not_active IP Right Cessation
-
1993
- 1993-09-07 NO NO933186A patent/NO305360B1/no not_active IP Right Cessation
- 1993-09-08 FI FI933937A patent/FI117051B/fi active IP Right Grant
-
1997
- 1997-11-19 GR GR970403054T patent/GR3025409T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE69221854D1 (de) | 1997-10-02 |
| NO933186L (no) | 1993-09-08 |
| EP0574541A1 (en) | 1993-12-22 |
| AU651935B2 (en) | 1994-08-04 |
| GR3025409T3 (en) | 1998-02-27 |
| NO933186D0 (no) | 1993-09-07 |
| FI933937A (fi) | 1993-09-08 |
| AU1572792A (en) | 1992-10-06 |
| NO305360B1 (no) | 1999-05-18 |
| DK0574541T3 (da) | 1998-03-30 |
| ATE157337T1 (de) | 1997-09-15 |
| FI933937A0 (fi) | 1993-09-08 |
| FI117051B (fi) | 2006-05-31 |
| CA2105473A1 (en) | 1992-09-09 |
| WO1992015538A1 (en) | 1992-09-17 |
| EP0574541A4 (en) | 1994-05-25 |
| JPH06505470A (ja) | 1994-06-23 |
| ES2108750T3 (es) | 1998-01-01 |
| CA2105473C (en) | 2003-06-10 |
| EP0574541B1 (en) | 1997-08-27 |
| US5219465A (en) | 1993-06-15 |
| DE69221854T2 (de) | 1998-01-02 |
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